The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 21, 2025

Filed:

Feb. 16, 2023
Applicant:

Daegu Gyeongbuk Institute of Science and Technology, Daegu, KR;

Inventors:

Jung Hyup Lee, Daegu, KR;

Se Hwan Lee, Chilgok-gun, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 3/00 (2006.01); H03M 1/06 (2006.01); H03M 1/12 (2006.01);
U.S. Cl.
CPC ...
H03M 3/458 (2013.01); H03M 1/068 (2013.01); H03M 3/35 (2013.01); H03M 1/0607 (2013.01); H03M 1/12 (2013.01); H03M 3/356 (2013.01);
Abstract

Disclosed is an input impedance boosting apparatus. More particularly, an input impedance boosting apparatus including an analog-to-digital converter; an input capacitor connected to an input terminal of the analog-to-digital converter and a ground line and including a first shielding metal formed thereunder; a feedback capacitor connected onto a positive feedback loop of the analog-to-digital converter and including a second shielding metal formed thereunder; and an impedance booster connected to both ends of the feedback capacitor and configured to boost an input impedance based on a first parasitic component formed between the input capacitor and the first shielding metal and a second parasitic component formed between the feedback capacitor and the second shielding metal is provided.


Find Patent Forward Citations

Loading…